Iron Pyrite FeS2 - Properties and Applications

Iron Pyrite, distributed by Washington Mills, is prepared from carefully selected pure monocrystalic iron pyrites (FeS2).

Description of Iron Pyrite

Iron Pyrite consists of finely grained Pyrite crystal splinters, which increases the thermal conductivity, the tensile strength, and the porosity of resin-bonded grinding wheels and cut off wheels. Iron Pyrite improves durability and performance of organic bonded abrasives by reducing the temperature in the contact zone or the work piece and cut off / grinding wheel.

Applications of Iron Pyrite

Iron Pyrite is used as an active filler in hot and cold pressed grinding wheels, brake pads and brake linings, and friction applications to help increase thermal conductivity.  Iron Pyrite can also help to balance the hardness and friction coefficient of brake pads.  Iron Pyrite can be used alone or in combination with other active fillers in organic bonded abrasives.

Typical Chemical Analysis of Iron Pyrite

Typical chemical analysis of Iron Pyrite is given in the table below.

TYPICAL CHEMICAL ANALYSIS
Chemical Composition
S 50% +/-2%
Fe 44% +/-2%

Typical Physical Properties of Iron Pyrite

Typical physical properties of Iron Pyrite is given in the table below.

PHYSICAL PROPERTIES
Property Value
Color Powder dark grey to black
Bulk Density 2.2 to 2.5g/cm3
pH 3 to 6
M. Volatile 105°C 0.20%

Laser Granulometry

Laser granulometry results for Iron Pyrite are provided in the following table.

LASER GRANULOMETRY
% Passing
D10 25ìm max
D50 250ìm max
D90 600ìm max

This information has been sourced, reviewed and adapted from materials provided by Washington Mills.

For more information on this source, please visit Washington Mills.

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